1
22
23 package com.liferay.portal.deploy.hot;
24
25 import com.liferay.portal.kernel.deploy.hot.HotDeployEvent;
26 import com.liferay.portal.kernel.deploy.hot.HotDeployException;
27 import com.liferay.portal.kernel.log.Log;
28 import com.liferay.portal.kernel.log.LogFactoryUtil;
29 import com.liferay.portal.kernel.servlet.PortletServlet;
30 import com.liferay.portal.kernel.util.HttpUtil;
31 import com.liferay.portal.kernel.util.PortalClassLoaderUtil;
32 import com.liferay.portal.service.ThemeLocalServiceUtil;
33 import com.liferay.portal.velocity.LiferayResourceCacheUtil;
34 import com.liferay.portal.velocity.VelocityContextPool;
35
36 import java.util.HashMap;
37 import java.util.List;
38 import java.util.Map;
39
40 import javax.servlet.ServletContext;
41
42
49 public class ThemeHotDeployListener extends BaseHotDeployListener {
50
51 public void invokeDeploy(HotDeployEvent event) throws HotDeployException {
52 try {
53 doInvokeDeploy(event);
54 }
55 catch (Throwable t) {
56 throwHotDeployException(event, "Error registering themes for ", t);
57 }
58 }
59
60 public void invokeUndeploy(HotDeployEvent event) throws HotDeployException {
61 try {
62 doInvokeUndeploy(event);
63 }
64 catch (Throwable t) {
65 throwHotDeployException(
66 event, "Error unregistering themes for ", t);
67 }
68 }
69
70 protected void doInvokeDeploy(HotDeployEvent event) throws Exception {
71 ServletContext servletContext = event.getServletContext();
72
73 String servletContextName = servletContext.getServletContextName();
74
75 if (_log.isDebugEnabled()) {
76 _log.debug("Invoking deploy for " + servletContextName);
77 }
78
79 String[] xmls = new String[] {
80 HttpUtil.URLtoString(servletContext.getResource(
81 "/WEB-INF/liferay-look-and-feel.xml"))
82 };
83
84 if (xmls[0] == null) {
85 return;
86 }
87
88 if (_log.isInfoEnabled()) {
89 _log.info("Registering themes for " + servletContextName);
90 }
91
92 List<String> themeIds = ThemeLocalServiceUtil.init(
93 servletContextName, servletContext, null, true, xmls,
94 event.getPluginPackage());
95
96
98 ClassLoader portletClassLoader = event.getContextClassLoader();
99
100 servletContext.setAttribute(
101 PortletServlet.PORTLET_CLASS_LOADER, portletClassLoader);
102
103
105 VelocityContextPool.put(servletContextName, servletContext);
106
107
109 _vars.put(servletContextName, themeIds);
110
111 if (_log.isInfoEnabled()) {
112 if (themeIds.size() == 1) {
113 _log.info(
114 "1 theme for " + servletContextName +
115 " is available for use");
116 }
117 else {
118 _log.info(
119 themeIds.size() + " themes for " + servletContextName +
120 " are available for use");
121 }
122 }
123 }
124
125 protected void doInvokeUndeploy(HotDeployEvent event) throws Exception {
126 ServletContext servletContext = event.getServletContext();
127
128 String servletContextName = servletContext.getServletContextName();
129
130 if (_log.isDebugEnabled()) {
131 _log.debug("Invoking undeploy for " + servletContextName);
132 }
133
134 List<String> themeIds = _vars.remove(servletContextName);
135
136 if (themeIds != null) {
137 if (_log.isInfoEnabled()) {
138 _log.info("Unregistering themes for " + servletContextName);
139 }
140
141 try {
142 ThemeLocalServiceUtil.uninstallThemes(themeIds);
143 }
144 catch (Exception e) {
145 _log.error(e, e);
146 }
147 }
148 else {
149 return;
150 }
151
152
154 Thread currentThread = Thread.currentThread();
155
156 ClassLoader contextClassLoader = currentThread.getContextClassLoader();
157
158 try {
159 currentThread.setContextClassLoader(
160 PortalClassLoaderUtil.getClassLoader());
161
162 VelocityContextPool.remove(servletContextName);
163
164 LiferayResourceCacheUtil.clear();
165 }
166 finally {
167 currentThread.setContextClassLoader(contextClassLoader);
168 }
169
170 if (_log.isInfoEnabled()) {
171 if (themeIds.size() == 1) {
172 _log.info(
173 "1 theme for " + servletContextName + " was unregistered");
174 }
175 else {
176 _log.info(
177 themeIds.size() + " themes for " + servletContextName +
178 " was unregistered");
179 }
180 }
181 }
182
183 private static Log _log =
184 LogFactoryUtil.getLog(ThemeHotDeployListener.class);
185
186 private static Map<String, List<String>> _vars =
187 new HashMap<String, List<String>>();
188
189 }